Crazy Woman Knob (1830 ft.): early Late Arikareean, Oregon
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Merycoidodontidae
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Paroreodon sp.
Thorpe 1921
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Mammalia
- Perissodactyla
- Equidae
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Miohippus sp.
Marsh 1874
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Mammalia
- Carnivora
- Canidae
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Leptocyon vulpinus
(Matthew 1907)
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Tedford et al. 2009 | |||||||||
| "Base of unit, Crazy Woman Knob section" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Oregon | County: | Wheeler |
| Coordinates: | 44.8° North, 119.8° West (view map) | ||||
| Paleocoordinates: | 44.5° North, 110.8° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| 10 m.y. bin: | Cenozoic 4-5 |
| Key time interval: | early Late Arikareean |
| Age range of interval: | 29.50000 - 18.50000 m.y. ago |
Stratigraphy
| Formation: | John Day | Member: | Haystack Valley |
| Regional section: | JohnD | Regional bed: | 8 |
| Regional order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | hematitic,brown calcareous tuff |
| Lithology description: tan ribbed tuff with Fe-stained calcareous nodules | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | UNSM |
Metadata
| Also known as: | Haystack Valley Member | ||
| Database number: | 36761 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Subset of collection #: | 17925 | ||
| Created: | 2004-02-14 16:27:43 | Last modified: | 2004-02-14 18:32:44 |
| Access level: | the public | Released: | 2004-02-14 16:27:43 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 9853. | R. M. Hunt, Jr. and E. Stepleton. 2004. Geology and paleontology of the upper John Day beds, John Day river valley, Oregon: lithostratigraphic and biochronologic revision in the Haystack Valley and Kimberly areas (Kimberly and Mt. Misery quadrangles). Bulletin of the American Museum of Natural History 282:1-90 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 52058 | R. H. Tedford, X. Wang, and B. E. Taylor. 2009. Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 325:1-218 [J. Marcot/J. Marcot/G. Lloyd] |